Finding the Third Proportional to 54,609.75 and 86,838.75
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Solution
The third proportional to 54,609.75 and 86,838.75 is: 138,088.32
Step by Step Solution
- Step 1: Write the proportion equation
54,609.75 : 86,838.75 = 86,838.75 : x - Step 2: Convert to fraction form
54,609.75/86,838.75 = 86,838.75/x - Step 3: Cross multiply
54,609.75x = 86,838.75 × 86,838.75 - Step 4: Simplify right side
54,609.75x = 7,540,968,501.56 - Step 5: Solve for x
x = 7,540,968,501.56/54,609.75 - Step 6: Final answer
x = 138,088.32
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.